The geopolitical climate may be chaotic, but State Department deputy spokeswoman Marie Harf has identified the real threat: Bill O’Reilly. On Thursday morning, the typically curt Harf tweeted her displeasure with the ratings-topping Fox News host.

Harf seems to have taken issue with O’Reilly saying spokeswoman Jen Psaki looks “way out of her depth over there” and “doesn’t have the gravitas​ for that job.”

If O’Reilly keeps it up, Harf and Psaki may have to employ their renowned approach of hashtag diplomacy. After that, they can get back to dealing with the Islamic State, Russia, the Israel–Gaza conflict, and the like.